Invariant vector fields and the prolongation method for supersymmetric quantum systems

Details Invariant vector fields and the prolongation method for supersymmetric quantum systems Invariant vector fields and the prolongation method for supersymmetric quantum systems

2005-04-05

arxiv.org/abs/math-ph/0504017v1

J. Phys., A 36 (2003) 9479-9506

Physics

Mathematical Physics

37 pages, 7 tables

Scientific paper

10.1088/0305-4470/36/36/305

The kinematical and dynamical symmetries of equations describing the time evolution of quantum systems like the supersymmetric harmonic oscillator in one space dimension and the interaction of a non-relativistic spin one-half particle in a constant magnetic field are reviewed from the point of view of the vector field prolongation method. Generators of supersymmetries are then introduced so that we get Lie superalgebras of symmetries and supersymmetries. This approach does not require the introduction of Grassmann valued differential equations but a specific matrix realization and the concept of dynamical symmetry. The Jaynes-Cummings model and supersymmetric generalizations are then studied. We show how it is closely related to the preceding models. Lie algebras of symmetries and supersymmetries are also obtained.

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